Synonyms|55Antonyms|1|Broader|1Narrower|0Related|13
7
bro(noun, buddy, pal, chum, crony)
4
best friend(noun, relation, friend, friendship)
4
confidant(noun, companion, friend, buddy, bud)
3
buddy(noun, familiar, intimate, friend, mate)
3
soul mate(noun, expression, companion, friend, buddy)
3
soulmate
2
alter ego(noun, expression, friend, buddy, bud)
2
bosom buddy(noun, expression, companion, friend, buddy)
2
close friend(noun, expression, relation, supporter, companion)
2
companion(noun, friend, buddy, bud)
2
friend(noun, expression, person, affection, relationship)
2
lover(noun, friend, buddy, bud)
2
pal(noun, companion, friend, buddy, bud)
1
acquaintance
1
advocate
1
backer
1
brother
1
familiar
1
fellow
1
fellowman
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APASmart Define. (2015). bosom friend thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/bosom_friend/thesaurus/synonyms
ChicagoSmart Define. 2015. "bosom friend thesaurus" https://smartdefine.org/bosom_friend/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, bosom friend thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/bosom_friend/thesaurus/synonyms>.
MLASmart Define. "bosom friend thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/bosom_friend/thesaurus/synonyms>